floxif | a220c39b0b8cbfd1dbe1590577a24fbd47fb8f5845d11abb8b2327af65a461a8

Analysis

max time kernel
150s
max time network
153s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
22-12-2024 09:31

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General

Target

2024-12-22_a2e294c00fe035703ba6979bc6e2cef2_floxif_hijackloader_luca-stealer_magniber.exe
Size

6.6MB
MD5

a2e294c00fe035703ba6979bc6e2cef2
SHA1

c17ba229bd226d360846fa7cd8fadecfd48fa702
SHA256

a220c39b0b8cbfd1dbe1590577a24fbd47fb8f5845d11abb8b2327af65a461a8
SHA512

e11e4c973705495428e25ada87801c27c6a62ef61740e0e64a9861091b18d693c9a873a89414910d5c4c5e5cdf1b44c9f62e3bc986fc2e7495a0cc0f203a3253
SSDEEP

98304:KzvL8R6wQMkNUjxz8TgMF88kWvAGXGSVadzgygMfuBCLdLUDPfOHpTNOF7D:S4QxNUjxz83gGRVUgMbUDOHxNOB

Score

10^/10

floxif backdoor discovery trojan upx

Malware Config

Signatures

Floxif family
floxif
Floxif, Floodfix
Floxif aka FloodFix is a file-changing trojan and backdoor written in C++.
backdoor trojan floxif

Detects Floxif payload 1 IoCs

backdoor

resource	yara_rule
behavioral2/files/0x000a000000023cc0-1.dat	floxif

ACProtect 1.3x - 1.4x DLL software 1 IoCs

Detects file using ACProtect software.

resource	yara_rule
behavioral2/files/0x000a000000023cc0-1.dat	acprotect

Loads dropped DLL 1 IoCs

pid	Process
4064	2024-12-22_a2e294c00fe035703ba6979bc6e2cef2_floxif_hijackloader_luca-stealer_magniber.exe

UPX packed file 3 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral2/files/0x000a000000023cc0-1.dat	upx
behavioral2/memory/4064-3-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral2/memory/4064-7-0x0000000010000000-0x0000000010030000-memory.dmp	upx

Drops file in Program Files directory 1 IoCs

description	ioc	Process
File created	C:\Program Files\Common Files\System\symsrv.dll	2024-12-22_a2e294c00fe035703ba6979bc6e2cef2_floxif_hijackloader_luca-stealer_magniber.exe

Program crash 5 IoCs

pid	pid_target	Process	procid_target
2324	4064	WerFault.exe	84
3768	4064	WerFault.exe	84
3880	4064	WerFault.exe	84
3676	4064	WerFault.exe	84
4672	4064	WerFault.exe	84

System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2024-12-22_a2e294c00fe035703ba6979bc6e2cef2_floxif_hijackloader_luca-stealer_magniber.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	4064	2024-12-22_a2e294c00fe035703ba6979bc6e2cef2_floxif_hijackloader_luca-stealer_magniber.exe

C:\Users\Admin\AppData\Local\Temp\2024-12-22_a2e294c00fe035703ba6979bc6e2cef2_floxif_hijackloader_luca-stealer_magniber.exe
"C:\Users\Admin\AppData\Local\Temp\2024-12-22_a2e294c00fe035703ba6979bc6e2cef2_floxif_hijackloader_luca-stealer_magniber.exe"
1⤵
- Loads dropped DLL
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
PID:4064
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 4064 -s 524
  2⤵
  - Program crash
  PID:2324
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 4064 -s 552
  2⤵
  - Program crash
  PID:3768
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 4064 -s 564
  2⤵
  - Program crash
  PID:3880
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 4064 -s 612
  2⤵
  - Program crash
  PID:3676
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 4064 -s 620
  2⤵
  - Program crash
  PID:4672

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4064 -ip 4064
1⤵
PID:1052

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 188 -p 4064 -ip 4064
1⤵
PID:1960

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 532 -p 4064 -ip 4064
1⤵
PID:2012

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 424 -p 4064 -ip 4064
1⤵
PID:1616

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 404 -p 4064 -ip 4064
1⤵
PID:3196

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Program Files\Common Files\System\symsrv.dll

Filesize
67KB

MD5
7574cf2c64f35161ab1292e2f532aabf

SHA1
14ba3fa927a06224dfe587014299e834def4644f

SHA256
de055a89de246e629a8694bde18af2b1605e4b9b493c7e4aef669dd67acf5085

SHA512
4db19f2d8d5bc1c7bbb812d3fa9c43b80fa22140b346d2760f090b73aed8a5177edb4bddc647a6ebd5a2db8565be5a1a36a602b0d759e38540d9a584ba5896ab

Download Submit
memory/4064-3-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download
memory/4064-7-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download
memory/4064-5-0x0000000000720000-0x00000000014DE000-memory.dmp

Filesize
13.7MB

Download